Table 5 Variations in concentrations (median values in % on dry matter basis) † of organic carbon, total nitrogen, total phosphorus, lignin, polyphenols, the C to N (C:N) and N to P (N:P) ratios in manure from different livestock species, residues from grain legumes, green manure legumes, woody legumes, non-leguminous shrubs/trees, and cereal straw
Residue source | Nutrient concentrations (in % of dry matter) | ||||
|---|---|---|---|---|---|
[Number of studies]* | Carbon | Nitrogen | Phosphorus | C:N | N:P |
Cattle manure [119] | 27.7 (25.4–29.4) | 1.2 (1.2–1.4) | 0.33 (0.30–0.40) | 21.1 (20.2–22.3) | 3.6 (3.3–3.9) |
Goat manure [32] | 26.8 (24.9–32.7) | 1.9 (1.6–2.2) | 0.31 (0.30–0.40) | 16.3 (13.5–19.9) | 5.3 (5.0–6.6) |
Sheep manure [9] | 27.7 (23.3–33.1) | 1.9 (1.5–2.2) | 0.29 (0.23–0.73) | 15.0 (12.1–21.6) | 4.6 (3.0–6.8) |
Poultry manure [68] | 28.3 (24.4–34.8) | 2.2 (2.0–2.4) | 1.25 (0.87–1.34) | 13.0 (10.8–15.5) | 2.1 (1.8–2.5) |
Swine manure [10] | 28.5 (23.3–42.3) | 1.9 (1.5–2.2) | 0.80 (0.79–1.60) | 18.0 (10.4–20.5) | 2.3 (1.7–2.8) |
Grain legumes [3] | 34.7 (34.0–48.7) | 1.7 (1.6–2.5) | 0.16 (0.07–0.94) | 18.8 (18.8–29.3) | 16 (15–22) |
Green manures [7] | 39.8 (26.4–44.6) | 2.8 (2.5–3.7) | 0.36 (0.20–0.53) | 12.3 (8.6–15.0) | 7.6 (6–22) |
Woody legumes [14] | 43.8 (42.1–45.0) | 3.2 (3.0–3.4) | 0.16 (0.16–0.20) | 13.6 (12.2–15.3) | 20 (18–24) |
Non-legumes [11] | 40.7 (39.8–42.1) | 3.2 (3.0–3.4) | 0.20 (0.20–0.25) | 12.3 (11.9–17.5) | 15 (14–16) |
Cereal straw [10] | 41.4 (40.1–55.9) | 0.8 (0.7–1.2) | 0.10 (0.10–0.19) | 51.4 (47.5–62.6) | 9 (8–23) |
